Lonsdor K518ISE key programmer has successfully add a H chip key to a Toyota Yaris year 2016 middle east model.
Connect K518 with vehicle with OBD diagnostic socket
Select Immobilizer->Toyota->Select from vehicle-> 4D-G all keys lost->Immobilizer (4D-G key)->Add key
One master key is required to add or erase other keys.
How to identify your key is master key or valid key?
Insert key into ignition switch, if immo indicator does not turn on, that’s the master key. If indicator turns on for 1 sec and then goes off, it is the valet key.
Insert master key and turn ignition on
Insert key to be programmed
Follow Lonsdor K518ISE prompt to turn ignition on or off
Programming in progress
Test the new key.